Haltech Elite 2500 (T) ECU Pinout & Wiring Diagram Guide
Technical pinouts, connector assignments, and suggested wiring layouts for the Haltech Elite 2500 (T) ECU.
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Component Specifications​
The Haltech Elite 2500 (T) ECU is a premium control unit designed for high-performance motorsport and automotive applications.
| Specification | Details |
|---|---|
| Component Name | Haltech Elite 2500 (T) ECU |
| Manufacturer | Haltech |
| Part Number | HT-151300 |
| Category | Control unit |
| Dimensions | 125mm (W) x 185mm (H) x N/A (D) |
Connectors & Pin Assignments​
Below is the structured electrical wiring pinout map for the Haltech Elite 2500 (T) ECU. Wiringly automatically tracks suggested wire specifications and color collections from this master component.
Superseal 1.0, 34POS, COD 1 (2-1437285-3)​
Connector Specifications​
| Property | Details |
|---|---|
| Connector Part Number | 2-1437285-3 |
| Compatible Terminals | 3-1447221-4, 3-1447221-3 |
| Pin | Function/Description | Suggested Wire Color |
|---|---|---|
| 1 | DPO 2 | Violet with Brown Stripe |
| 2 | AVI 4 | Orange with Yellow Stripe |
| 3 | Ignition 1 | Yellow with Black Stripe |
| 4 | Ignition 2 | Yellow with Red Stripe |
| 5 | Ignition 3 | Yellow with Orange Stripe |
| 6 | Ignition 4 | Yellow with Green Stripe |
| 7 | Ignition 5 | Yellow with Brown Stripe |
| 8 | Ignition 6 | Yellow with Blue Stripe |
| 9 | 5V Out | Orange |
| 10 | Battery Ground | Black |
| 11 | Battery Ground | Black |
| 12 | +8V Out | Orange with White Stripe |
| 13 | Ingition Input 12V | Pink |
| 14 | AVI 10 (TPS) | White |
| 15 | AVI 9 (MAP) | Yellow |
| 16 | AVI 2 | Orange with Black Stripe |
| 17 | AVI 3 | Orange with Red Stripe |
| 18 | DPO 1 | Violet with Black Stripe |
| 19 | Injector 1 | Blue |
| 20 | Injector 2 | Blue with Black Stripe |
| 21 | Injector 3 | Blue with Brown Stripe |
| 22 | Injector 4 | Blue with Red Stripe |
| 23 | DPO 3 | Violet with Red Stripe |
| 24 | DPO 5 (Fuel Pump Output) | Black with Yellow Stripe |
| 25 | DPO 6 (ECR Out) | Black with Red Stripe |
| 26 | 12V ECU Injector Power Input | Red with Blue Stripe |
| 27 | Injector 5 | Blue with Orange Stripe |
| 28 | Injector 6 | Blue with Yellow Stripe |
| 29 | Injector 7 | Blue with Green Stripe |
| 30 | Injector 8 | Blue with Violet Stripe |
| 31 | STEPPER 1 P1 / DPO | Green |
| 32 | STEPPER 1 P2 / DPO | Green with Black Stripe |
| 33 | STEPPER 1 P3 / DPO | Green with Brown Stripe |
| 34 | STEPPER 1 P4 / DPO | Green with Red Stripe |
Superseal 1.0, 26POS, COD 1 (2-1437285-2)​
Connector Specifications​
| Property | Details |
|---|---|
| Connector Part Number | 2-1437285-2 |
| Compatible Terminals | 3-1447221-3, 3-1447221-4 |
| Pin | Function/Description | Suggested Wire Color |
|---|---|---|
| 1 | CRANK (TRIGGER) ( + ) | Yellow |
| 2 | CAM (HOME) ( + ) | Yellow |
| 3 | AVI 7 (Air Temp) | Grey |
| 4 | AVI 8 (Coolant Temp) | Violet |
| 5 | CRANK (TRIGGER) ( - ) | Green |
| 6 | CAM (HOME) ( - ) | Green |
| 7 | SPI 4 | Grey with Red Stripe |
| 8 | SPI 1 | Grey |
| 9 | SPI 2 | Grey with Black Stripe |
| 10 | SPI 3 | Grey with Brown Stripe |
| 11 | 12V ECU Supply (ECU Power) | Red with White Stripe |
| 12 | AVI 6 (O2 Input 1) | Grey with Orange Stripe |
| 13 | AVI 1 (O2 Input 2 ) | Grey with Yellow Stripe |
| 14 | Signal Ground | Black with White Stripe |
| 15 | Signal Ground | Black with White Stripe |
| 16 | Signal Ground | Black with White Stripe |
| 17 | Ignition 7 | Yellow with Violet Stripe |
| 18 | Ignition 7 | Yellow with Grey Stripe |
| 19 | DPO 4 | Violet with Orange Stripe |
| 20 | AVI 5 | Orange with Grey Stripe |
| 21 | Knock 1 | Grey with Green Stripe |
| 22 | Knock 2 | Grey with Blue Stripe |
| 23 | CAN H | White |
| 24 | CAN L | Blue |
| 25 | DBW 1 / DPO | Brown with Black Stripe |
| 26 | DBW 2 / DPO | Brown with Red Stripe |
Harness Integration in Wiringly​
Wiringly simplifies the process of creating complete, error-free wiring schematics. Using our interactive digital canvas, you can drop the Haltech Elite 2500 (T) ECU directly into your project, automatically load these pin assignments, and connect them to your power distribution units or engine control units. If you are new to the platform, we recommend starting with our Quick Start Guide.
The platform tracks your wire colors, gauges, and terminal types automatically, compiling a complete bill of materials (BOM) and cutting list for your physical build.